[llvm] r342270 - AMDGPU: Clear the bits before they are being set in program resource registers

[Konstantin Zhuravlyov via llvm-commits]

Author: kzhuravl
Date: Fri Sep 14 13:00:36 2018
New Revision: 342270

URL: http://llvm.org/viewvc/llvm-project?rev=342270&view=rev
Log:
AMDGPU: Clear the bits before they are being set in program resource registers

Change by Tony Tye

Modified:
    llvm/trunk/lib/Target/AMDGPU/Utils/AMDKernelCodeTInfo.h

Modified: llvm/trunk/lib/Target/AMDGPU/Utils/AMDKernelCodeTInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/Utils/AMDKernelCodeTInfo.h?rev=342270&r1=342269&r2=342270&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/Utils/AMDKernelCodeTInfo.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/Utils/AMDKernelCodeTInfo.h Fri Sep 14 13:00:36 2018
@@ -46,6 +46,7 @@
    int64_t Value = 0; \
    if (!expectAbsExpression(MCParser, Value, Err)) \
      return false; \
+   C.compute_pgm_resource_registers &= ~(SetMacro(0xFFFFFFFFFFFFFFFFULL) << Shift); \
    C.compute_pgm_resource_registers |= SetMacro(Value) << Shift; \
    return true; \
 }